FIX: change name to fit check content (cracklib -> pwquality)

renamed:    bin/hardening/5.3.1_enable_cracklib.sh -> bin/hardening/5.3.1_enable_pwquality.sh
	renamed:    tests/hardening/5.3.1_enable_cracklib.sh -> tests/hardening/5.3.1_enable_pwquality.sh

bin/hardening/5.3.1_enable_pwquality.sh

@@ -0,0 +1,100 @@
+#!/bin/bash
+
+#
+# CIS Debian Hardening
+#
+
+#
+# 5.3.1 Ensure password creation requirements are configured (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+HARDENING_LEVEL=2
+DESCRIPTION="Set password creation requirement parameters using pam.cracklib."
+
+PACKAGE='libpam-pwquality'
+
+PATTERN_COMMON="pam_pwquality.so"
+FILE_COMMON="/etc/pam.d/common-password"
+
+PATTERNS_QUALITY=""
+FILE_QUALITY="/etc/security/pwquality.conf"
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    is_pkg_installed $PACKAGE
+    if [ $FNRET != 0 ]; then
+        crit "$PACKAGE is not installed!"
+    else
+        ok "$PACKAGE is installed"
+        does_pattern_exist_in_file $FILE_COMMON $PATTERN_COMMON
+        if [ $FNRET = 0 ]; then
+            ok "$PATTERN_COMMON is present in $FILE_COMMON"
+        else
+            crit "$PATTERN_COMMON is not present in $FILE_COMMON"
+        fi
+        for PATTERN in $PATTERNS_QUALITY; do
+            OPTION=$(cut -d = -f 1 <<< $PATTERN)
+            PARAM=$(cut -d = -f 2 <<< $PATTERN)
+            PATTERN="$OPTION *= *$PARAM"
+            does_pattern_exist_in_file $FILE_QUALITY $PATTERN
+            if [ $FNRET = 0 ]; then
+                ok "$PATTERN is present in $FILE_QUALITY"
+            else
+                crit "$PATTERN is not present in $FILE_QUALITY"
+            fi
+        done
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    is_pkg_installed $PACKAGE
+    if [ $FNRET = 0 ]; then
+        ok "$PACKAGE is installed"
+    else
+        crit "$PACKAGE is absent, installing it"
+        apt_install $PACKAGE
+    fi
+    does_pattern_exist_in_file $FILE $PATTERN
+    if [ $FNRET = 0 ]; then
+        ok "$PATTERN is present in $FILE"
+    else
+        crit "$PATTERN is not present in $FILE"
+        add_line_file_before_pattern $FILE "password    requisite           pam_cracklib.so retry=3 minlen=8 difok=3" "# pam-auth-update(8) for details."
+    fi 
+}
+
+# This function will create the config file for this check with default values
+create_config() {
+    cat <<EOF
+status=audit
+# Put your custom configuration here
+PATTERNS_QUALITY="^minlen=14 ^dcredit=-1 ^ucredit=-1 ^ocredit=-1 ^lcredit=-1"
+EOF
+}
+
+# This function will check config parameters required
+check_config() {
+    :
+}
+
+# Source Root Dir Parameter
+if [ -r /etc/default/cis-hardening ]; then
+    . /etc/default/cis-hardening
+fi
+if [ -z "$CIS_ROOT_DIR" ]; then
+     echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
+     echo "Cannot source CIS_ROOT_DIR variable, aborting."
+    exit 128
+fi
+
+# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
+if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
+    . $CIS_ROOT_DIR/lib/main.sh
+else
+    echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
+    exit 128
+fi